/** {@inheritDoc} */
 @Override
 public void destroy() {
   _kbase = null;
   _taskHandlers.clear();
   _taskHandlerModels.clear();
   _actionModels.clear();
   _messageContentInName = null;
   _messageContentOutName = null;
   _processId = null;
   if (_kagent != null) {
     try {
       _kagent.dispose();
     } finally {
       _kagent = null;
     }
   }
 }